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2003-03-02 Michael Koch <konqueror@gmx.de>

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* java/awt/Component.java
	(eventTypeEnabled): New method.
	(dispatchEventImpl): Moved checks for event to eventTypeEnabled.
	* java/awt/Container.java
	(changeSupport): New member variable.
	(addPropertyChangeListener): New methods.
	* java/awt/ContainerOrderFocusTraversalPolicy.java
	(ContainerOrderFocusTraversalPolicy): Added comment.
	(getComponentAfter): Throw exception, documentation added.
	(getComponentBefore): Throw exception, documentation added.
	(getFirstComponent): Throw exception, documentation added.
	(getLastComponent): Throw exception, documentation added.
	(getDefaultComponent): Throw exception, documentation added.
	* java/awt/EventQueue.java: Reindented.
	* java/awt/FocusTraversalPolicy.java:
	(FocusTraversalPolicy): Added comment.
	(getComponentAfter): Documentation added.
	(getComponentBefore): Documentation added.
	(getFirstComponent): Documentation added.
	(getLastComponent): Documentation added.
	(getDefaultComponent): Documentation added.
	(getInitialComponent): Documentation added.
	* java/awt/ScrollPane.java
	(wheelScrollingEnabled): New member variable.
	(ScrollPane): Initialize wheelScollingEnabled.
	(eventTypeEnabled): New method.
	(isWheelScrollingEnabled): New method.
	(setWheelScrollingEnabled): New method.

From-SVN: r63663
This commit is contained in:
Michael Koch 2003-03-02 14:01:40 +00:00 • committed by Michael Koch
parent 37db829b93
commit e589ede6fd
6 changed files with 258 additions and 100 deletions
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88
libjava/java/awt/Component.java
View file

@ -4075,45 +4075,61 @@ p * <li>the set of backward traversal keys
*/
void dispatchEventImpl(AWTEvent e)
{
// Make use of event id's in order to avoid multiple instanceof tests.
if (e.id <= ComponentEvent.COMPONENT_LAST
&& e.id >= ComponentEvent.COMPONENT_FIRST
&& (componentListener != null
|| (eventMask & AWTEvent.COMPONENT_EVENT_MASK) != 0))
processEvent(e);
else if (e.id <= KeyEvent.KEY_LAST
&& e.id >= KeyEvent.KEY_FIRST
&& (keyListener != null
|| (eventMask & AWTEvent.KEY_EVENT_MASK) != 0))
processEvent(e);
else if (e.id <= MouseEvent.MOUSE_LAST
&& e.id >= MouseEvent.MOUSE_FIRST
&& (mouseListener != null
|| mouseMotionListener != null
|| (eventMask & AWTEvent.MOUSE_EVENT_MASK) != 0))
processEvent(e);
else if (e.id <= FocusEvent.FOCUS_LAST
&& e.id >= FocusEvent.FOCUS_FIRST
&& (focusListener != null
|| (eventMask & AWTEvent.FOCUS_EVENT_MASK) != 0))
processEvent(e);
else if (e.id <= InputMethodEvent.INPUT_METHOD_LAST
&& e.id >= InputMethodEvent.INPUT_METHOD_FIRST
&& (inputMethodListener != null
|| (eventMask & AWTEvent.INPUT_METHOD_EVENT_MASK) != 0))
processEvent(e);
else if (e.id <= HierarchyEvent.HIERARCHY_LAST
&& e.id >= HierarchyEvent.HIERARCHY_FIRST
&& (hierarchyListener != null
|| hierarchyBoundsListener != null
|| (eventMask & AWTEvent.HIERARCHY_EVENT_MASK) != 0))
processEvent(e);
else if (e.id <= PaintEvent.PAINT_LAST
&& e.id >= PaintEvent.PAINT_FIRST
&& (eventMask & AWTEvent.PAINT_EVENT_MASK) != 0)
if (eventTypeEnabled (e.id))
processEvent(e);
}
/**
* Tells wether or not an event type is enabled.
*/
boolean eventTypeEnabled (int type)
{
if (type > AWTEvent.RESERVED_ID_MAX)
return true;
switch (type)
{
case ComponentEvent.COMPONENT_HIDDEN:
case ComponentEvent.COMPONENT_MOVED:
case ComponentEvent.COMPONENT_RESIZED:
case ComponentEvent.COMPONENT_SHOWN:
return (componentListener != null
|| (eventMask & AWTEvent.COMPONENT_EVENT_MASK) != 0);
case KeyEvent.KEY_PRESSED:
case KeyEvent.KEY_RELEASED:
case KeyEvent.KEY_TYPED:
return (keyListener != null
|| (eventMask & AWTEvent.KEY_EVENT_MASK) != 0);
case MouseEvent.MOUSE_CLICKED:
case MouseEvent.MOUSE_ENTERED:
case MouseEvent.MOUSE_EXITED:
case MouseEvent.MOUSE_PRESSED:
case MouseEvent.MOUSE_RELEASED:
return (mouseListener != null
|| mouseMotionListener != null
|| (eventMask & AWTEvent.MOUSE_EVENT_MASK) != 0);
case FocusEvent.FOCUS_GAINED:
case FocusEvent.FOCUS_LOST:
return (focusListener != null
|| (eventMask & AWTEvent.FOCUS_EVENT_MASK) != 0);
case InputMethodEvent.INPUT_METHOD_TEXT_CHANGED:
case InputMethodEvent.CARET_POSITION_CHANGED:
return (inputMethodListener != null
|| (eventMask & AWTEvent.INPUT_METHOD_EVENT_MASK) != 0);
case PaintEvent.PAINT:
case PaintEvent.UPDATE:
return (eventMask & AWTEvent.PAINT_EVENT_MASK) != 0;
default:
return false;
}
}
/**
* Coalesce paint events. Current heuristic is: Merge if the union of
* areas is less than twice that of the sum of the areas. The X server